Process for preventing honeycombing in steam-boiler furnaces.



GEORGE M. WOLFE, DIE-SHERIDAN, WYOMING.

v PROCESS FOR PREVENTING HONEYCOMBING- IN STEAM-BOILER FURNACES.

Specification of Letters Patent.

Patented May 23, 1911.

No Drawing. Application filed June 25, 1908, Serial No. 440,387. Renewed December 2, 1910. Serial No. 595,325.

-To all whom it may concern:

Be it known that I, GEORGE W. WOLFE,

:citizen of the United States, residing at Sheridan, in the county of Sheridan and State of Wyoming, have invented certam new and useful Improvements in Processes 'for Preventing Honeycombing in Steambolts and rivet heads and in the mouths of fiues; the honeycombs hangin from the heads after the manner of icic es and collecting in the fiues until the latter are almost parts of a fire-box remaining practically clean and bare for an indefinite period so that said parts will be exposed to the best advantage to the flames and heated products of combustion, and broadly stated, the process consists first in coating the inside of a fire-box, in whole or part, with a composition calculated, when burned, to leave a smooth and greasy substance on said inside which substance will preclude the deposit of the elements that form honeycombs, and second in subjecting the said composition to the action of fire. This second step in the process may be performed prior to putting the furnace into commission or else the initial firing of the furnace, after it is put into commission, may be depended on to burn the composition and leave the smooth and greasy substance in the inside of the firebox, without involving departure from the scope of my invention as defined in the claim appended.

Experience has demonstrated that the result desired is attained by painting, spraying or otherwise coating the fines, the crown stays and bolts and the rivet heads in a firebox, and experience has also demonstrated that the best composition for the purpose stated is composed of the following ingredients, combined in about the proportions stated, viz:

Crude oil 10 gallons. Lamp black one half pound. Graphite one pound.

The said ingredients are thoroughly coinmlngled, and the mixture is then ready for It will be gathered from. the foregoing that my process is simple and inexpensive, and that it may be carried out without entailing the employment of skilled labor, which also contributes to its cheapness; and I desire to state at this point that I have found from experience that when the composition specified is used to coat the fiues, crown stays and bolts and rivet heads of a fire box, and the composition is then burned, a smooth and greasy substance will be left on the said parts, which substance will preclude the adherence of products of combustion and the resulting honeycombing for a lengthy and indefinite period and in that way contribute materially to the steaming capacity of a locomotive and economy in the operation thereof.

Having described my invention, what I claim, and desire to secure by Letters Patent of the United States, is-

The herein described process of prevent ing honeycombing in fire-boxes, which consists, firstin coating such parts in the firebox as necessary to attain the end desired with a composition of matter consisting of crude oil 10 gallons, lamp black one half pound, and graphite one pound; the coating being effected while said parts are cool, and, secondin burning the composition of matter with which the parts are coated.

In testimony whereof I aflix my signature in presence of two witnesses.

GEORGE M. WOLFE.

Witnesses:

R. H. REED, It. C. REED.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. C. 

